Year	%
1994	12.17
1999	14.66
2001	16.98
2002	16.26
2003	16.14
2004	15.97
2005	15.3
2006	15.24
2007	14.59
2008	10.77
2009	10.83
2010	8.64
2012	8.42
2013	8.07
2014	7.99
2015	7.26
2016	8.16
2017	8.21
2018	10.1
2019	7.39
2020	7.13
2021	5.81